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COMPARATIVE GEOMETRICAL ACCURACY INVESTIGATIONS OF HAND-HELD 3D SCANNING SYSTEMS – AN UPDATE
3D mesh point cloud reference structured light systems VDI/VDE
2018/6/4
Hand-held 3D scanning systems are increasingly available on the market from several system manufacturers. These systems are deployed for 3D recording of objects with different size in diverse applicat...
THE USE OF 3D SCANNING AND PHOTOGRAMMETRY TECHNIQUES IN THE CASE STUDY OF THE ROMAN THEATRE OF NIKOPOLIS. SURVEYING, VIRTUAL RECONSTRUCTION AND RESTORATION STUDY.
Theatre Roman Nikopolis 3D scanning Photogrammetry Monument Restoration
2017/4/5
The aim of this paper is to present the specific methods by which 3D scanning and photogrammetric techniques were incorporated into the architectural study, the documentation and the graphic restorati...
STRUCTURED LIGHT BASED 3D SCANNING FOR SPECULAR SURFACE BY THE COMBINATION OF GRAY CODE AND PHASE SHIFTING
Structured Light 3D Scanning Specular Surface Maximum Min-SW Gray Code Phase Shifting
2016/7/27
Surface reconstruction using coded structured light is considered one of the most reliable techniques for high-quality 3D scanning. With a calibrated projector-camera stereo system, a light pattern is...
New Low-Cost 3D Scanning Techniques for Cultural Heritage Documentation
cultural heritage laser scanning image correlation
2015/12/16
In the last ten years, direct 3D documentation techniques are very popular and in a great advancement. There are two different
methods: ranging scanners and triangulation scanners. A very high price ...
ACCURATE 3D SCANNING OF DAMAGED ANCIENT GREEK INSCRIPTIONS FOR REVEALING WEATHERED LETTERS
3D Scanning Structured Light Scanner Structure from Motion Weathered Letters Revealing Ancient Inscriptions
2015/3/3
In this paper two non-invasive non-destructive alternative techniques to the traditional and invasive technique of squeezes are presented alongside with specialized developed processing methods, aimin...
A novel high accuracy 3D scanning device for rock-art sites
Stereo Structure from Motion drift compensation tachymeter
2014/7/30
We are currently developing a novel 3D scanning device for rock-art. Within the European project 3D-Pitoti, this scanner shall be used to acquire 3D structure and radiometric surface properties of anc...
PHOTO-BASED 3D SCANNING VS. LASER SCANNING – COMPETITIVE DATA ACQUISITION METHODS FOR DIGITAL TERRAIN MODELLING OF STEEP MOUNTAIN SLOPES
Photogrammetry TLS DEM/DTM Comparison Visualization
2014/6/5
The paper presents how terrestrial laser scanning (TLS) and terrestrial digital photogrammetry were used to create a 3D model of a
steep mountain wall. Terrestrial methods of data acquisition are th...